WARNING ANSWER TO LAST SCENE
1 click on door
2 click on toilet paper
3 click on toilet
4 click on the handle on the toilet
5 click on the right faucet handle on the right sink
6 click on the right cabinet
7 click on the hair dryer
8 click on the outlet
9 click on the left handle on the left sink
10 click on the left sink
11) from this point just keep clicking on the gun